1002011213111 has 16 divisors (see below), whose sum is σ = 1080699164160. Its totient is φ = 926049905280.

The previous prime is 1002011213087. The next prime is 1002011213123. The reversal of 1002011213111 is 1113121102001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002011213111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011213141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553330 + ... + 2101631.

It is an arithmetic number, because the mean of its divisors is an integer number (67543697760).

Almost surely, 2^{1002011213111} is an apocalyptic number.

1002011213111 is a deficient number, since it is larger than the sum of its proper divisors (78687951049).

1002011213111 is a wasteful number, since it uses less digits than its factorization.

1002011213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655334.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1002011213111 its reverse (1113121102001), we get a palindrome (2115132315112).

The spelling of 1002011213111 in words is "one trillion, two billion, eleven million, two hundred thirteen thousand, one hundred eleven".